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TRUMPF focuses on electromobility and Industry 4.0

21 Oct 2020
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TRUMPF is committed to efficient laser technologies for the mass production of electric vehicles and digital transformation, which will play an essential role in the transition from vehicles powered by internal combustion engines to fully electric vehicles.

The German high-tech company, TRUMPF, which is present in more than 70 countries, including Portugal, sees great opportunities for its business and for the German industry as a whole in two megatrends: Industry 4.0 and Electric Mobility. These are two promising areas where digitally linked lasers will allow manufacturers to switch, at the touch of a button, between the two types of vehicles on production lines.

Laser technology for efficient mass production of electric motors

TRUMPF offers a number of laser techniques that can weld all the seams of an electric motor in just one minute. In the soldering process, there is a method called “hairpins”, which involves the use of a compressed air gun to shoot a rectangular copper wire, similar to a hairpin, into a slot in the side of the motor. The protruding parts of the wire are then twisted and welded together using a laser. This is one of the techniques used to make the production of electric motors faster, more reliable and more economical, as it eliminates the costly and time-consuming process of winding thick copper wire around electric motor coils.

Digitization for reliable battery manufacturing

TRUMPF technology also plays a key role in the manufacture of batteries for electric vehicles. Batteries consist of several layers of thin sheets of copper and aluminum that are cut with lasers. After adding liquid electrolyte, the battery is soldered with a cap. It is essential that the solders seal the cell completely, as failure of the battery during operation can pose a risk of fire and injury. From the battery cells and battery modules to the battery pack, all soldering is performed using a laser. Laser systems feature sensor systems as well as a software program that links them to a cloud solution. Sensors provide data for quality assurance and documentation purposes, but also help control the welding process itself.

 

infographic

Laser technology in electric mobility

 

 

 

 

 

 

 

Electric motor manufacturing

laser welding

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